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WellTest from IHS Markit

Thoroughly understand your reservoir and its production potential.

Is your reservoir producing to its full potential?

WellTest software helps you conduct gas and oil pressure transient analysis and serves as an everyday well test data interpretation tool. Decipher reservoir-flow characteristics and predict future deliverability based on buildup and short-term drawdown well test information. Use diagnostic plots, as well as G Function and DFIT analyses for minifrac tests, to identify flow regimes and estimate reservoir parameters. Leverage analytical and numerical models to match the pressure history and generate forecasts.

Learn how to:

  • Generate reliable analysis
  • Accurately predict well deliverability
  • Choose optimal gas and oil well design and test procedures
  • Comply with electronic data submission regulatory requirements

Features

Build-up/Drawdown Analysis
Analyze Build-Up and Drawdown Data

Load and plot data with easy-to-use import and filtering tools. Built-in wizards guide the user from data input through analysis, modeling and forecasting. Easily prepare data from “controlled” tests or “unplanned” build-ups on producing wells for analysis with flexible data management.

Pressure/Permeability Estimation
Analyze Mini-Frac Tests to Estimate Reservoir Pressure and Permeability in Tight Formations

Examine pressure fall-off data from mini-frac tests using pre-closure and after-closure analysis techniques to identify fracture closure, quantify leakoff coefficients and estimate reservoir pressure and permeability. Advance after-closure analysis beyond diagnostics and straight line analysis to include modeling capability. The models are consistent with the work of M.Y. Soliman and D. Craig and show good agreement with K.G. Nolte’s solutions when radial flow is achieved.

Deliverability Projection
Predict Deliverability Performance

Using results determined from pre-frac tests, predict the deliverability performance for different frac properties to establish optimum frac design.

Experts

Martin Santo

He has been teaching hands-on courses in well test analysis for the past two decades. In addition to analyzing and conducting thousands of well tests in conventional reservoirs throughout the world, Mr. Santo has coordinated the development of F.A.S.T. WellTest™ software, now part of IHS Markit. ​He joined the company in April 2013 during the acquisition of Fekete Associates Inc. He had been with Fekete for 32 years, beginning as a well test analyst, and then managing the well test group from 1991 to 2004. Prior to the acquisition, Mr. Santo was senior technical advisor responsible for incorporating new analysis methods for unconventional resources in the WellTest software, and providing training and support. He now continues his role as senior technical advisor, with a focus on integrating DFIT, production and well test analysis to advance our understanding of unconventional resources. He was an invited speaker at SPE Applied Technology workshops on unconventional reservoirs held in Barossa Valley, Australia (2008), Beijing, China (2011) and Banff, Alberta (2012). Mr. Santo  is a member of the Society of Petroleum Engineers, and was actively involved in the Special Interest Group “Reservoir Evaluation and Production Optimization” from 1993 – 2009. He served on the committee for establishing guidelines in the Alberta Energy Resources initiative” Electronic Capture of Well Test Data”, implemented in 1999. He also assisted the committee responsible for preparing the Alberta “Upstream Petroleum Industry Flaring Guide” introduced in 1999. He has co-authored several technical papers, and continues to research and develop new methods for well testing and analysis. 

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